Stadium: Court 1 Round: 24 Ground: Hardcourt indoor
| ITF USA F33 | 2018/11/21 17:00 | John McNally v Roberto Ortega-Olmedo | 1-6,2-6 |
| Challenger Orlando | 2018/12/31 15:00 | Roberto Ortega-Olmedo v Joao Menezes | 6-4,3-6,5-7 |
| ITF USA F33 | 2018/11/24 15:00 | Jack Findel-Hawkins v Roberto Ortega-Olmedo | 6-3,2-6,2-6 |
| ITF USA F33 | 2018/11/23 17:30 | Maxime Cressy v Roberto Ortega-Olmedo | 6-7,6-7 |
| ITF USA F33 | 2018/11/21 17:00 | John McNally v Roberto Ortega-Olmedo | 1-6,2-6 |
| ITF USA F33 | 2018/11/20 21:45 | Jacob Dunbar v Roberto Ortega-Olmedo | 2-6,2-6 |
| Challenger Houston | 2018/11/15 16:00 | Kamil Majchrzak v Roberto Ortega-Olmedo | 6-3,4-6,6-3 |
| Challenger Houston | 2018/11/13 22:55 | Sumit Sarkar v Roberto Ortega-Olmedo | 6-7,1-6 |
| Challenger Las Vegas | 2018/10/25 19:20 | Roberto Ortega-Olmedo v Jason Jung | 4-6,4-6 |
| ITF USA F33 | 2018/11/21 17:00 | John McNally v Roberto Ortega-Olmedo | 1-6,2-6 |
| ITF USA F33 | 2018/11/20 15:00 | John McNally v Alex Kobelt | 7-6,7-5 |
| Challenger Columbus | 2018/09/20 14:00 | John McNally v Dominik Koepfer | 4-6,6-4,4-6 |
| Challenger Columbus | 2018/09/18 14:00 | Ryan Shane v John McNally | 6-7,5-7 |
| Challenger Lexington Qual | 2018/07/28 14:00 | Borna Gojo v John McNally | 6-1,6-4 |
| ITF USA F20 | 2018/07/26 21:25 | Sebastian Korda v John McNally | 6-3,3-6,7-5 |
| ITF USA F20 | 2018/07/25 20:40 | John McNally v Sebastien Boltz | 3-6,6-1,6-4 |
| ITF USA F20 | 2018/07/24 18:25 | McClain Kessler v John McNally | 4-6,2-6 |